Amazon.com: SUPERNIGHT 10A 120W Golf Cart Converter 48V 36V to 12V Regulator Step Down Waterproof DC/DC Transformer for Golf Cart Power Module and Club Car : Electronics
12V DC to 48V DC converter - YouTube
Deep 10A CONVERTOR 48-60 VOLT, 12V, 48V
MS (Distribution) UK Ltd. - Tycon Power 12v-48v DC- DC Converter and PoE Injector
48V to 12V 25A 300 Watt DC/DC converter PKL4313PITLA from Ericsson, in stock